/Engine/Source/Editor/UnrealEd/Classes/Editor/EditorEngine.h
void HandleLaunchCompleted ( bool Succeeded, double TotalTime, int32 ErrorCode, bool bHasCode, [TWeakPtr](API\Runtime\Core\Templates\TWeakPtr)< [SNotificationItem](API\Runtime\Slate\Widgets\Notifications\SNotificationItem) > NotificationItemPtr )